1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 // +build amd64,freebsd
14 func setTimespec(sec, nsec int64) Timespec {
15 return Timespec{Sec: sec, Nsec: nsec}
18 func setTimeval(sec, usec int64) Timeval {
19 return Timeval{Sec: sec, Usec: usec}
22 func SetKevent(k *Kevent_t, fd, mode, flags int) {
24 k.Filter = int16(mode)
25 k.Flags = uint16(flags)
28 func (iov *Iovec) SetLen(length int) {
29 iov.Len = uint64(length)
32 func (msghdr *Msghdr) SetControllen(length int) {
33 msghdr.Controllen = uint32(length)
36 func (msghdr *Msghdr) SetIovlen(length int) {
37 msghdr.Iovlen = int32(length)
40 func (cmsg *Cmsghdr) SetLen(length int) {
41 cmsg.Len = uint32(length)
44 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
45 var writtenOut uint64 = 0
46 _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
48 written = int(writtenOut)
56 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
58 func PtraceGetFsBase(pid int, fsbase *int64) (err error) {
59 return ptrace(PTRACE_GETFSBASE, pid, uintptr(unsafe.Pointer(fsbase)), 0)
62 func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
63 ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint64(countin)}
64 err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
65 return int(ioDesc.Len), err